package Java.Class.Game;

import java.util.HashMap;
import java.util.Scanner;

public class Game {

    private HashMap<String, Handler> handlers = new HashMap<>();
    private Room currentRoom;

    public Game() {
        handlers.put("bye", new HandlerBye(this));
        handlers.put("help", new HandlerHelp(this));
        handlers.put("go", new HandlerGo(this));
        createRooms();
    }

    private void createRooms() {
        Room outside, lobby, pub, study, bedroom;

        //	制造房间
        outside = new Room("城堡外");
        lobby = new Room("大堂");
        pub = new Room("小酒吧");
        study = new Room("书房");
        bedroom = new Room("卧室");

        //	初始化房间的出口
        outside.setExit("east", lobby);
        outside.setExit("south", study);
        outside.setExit("west", pub);
        lobby.setExit("west", outside);
        pub.setExit("east", outside);
        study.setExit("north", outside);
        study.setExit("east", bedroom);
        bedroom.setExit("west", study);


        currentRoom = outside;  //	从城堡门外开始
    }

    private void print() {
        System.out.println("现在你在" + currentRoom);
        System.out.print("出口有：");
        System.out.println(currentRoom.getExitDesc());
        System.out.println();
    }

    private void printWelcome() {
        System.out.println();
        System.out.println("欢迎来到城堡！");
        System.out.println("这是一个超级无聊的游戏。");
        System.out.println("如果需要帮助，请输入 'help' 。");
        System.out.println();
        print();
    }

    // 以下为用户命令


    public void goRoom(String direction) {
        Room nextRoom = null;
        nextRoom = currentRoom.getExit(direction);

        if (nextRoom == null) {
            System.out.println("那里没有门！");
        } else {
            currentRoom = nextRoom;
            print();
        }
    }

    private void play() {
        Scanner in = new Scanner(System.in);
        while (true) {
            String line = in.nextLine();
            String[] words = line.split(" ");
            Handler handler = handlers.get(words[0]);
            String value = "";
            if (words.length > 1)
                value = words[1];
            if (handler != null) {
                handler.doCmd(value);
                if (handler.isBye())
                    break;
                ;
            }


        }


        in.close();
    }

    public static void main(String[] args) {

        Game game = new Game();
        game.printWelcome();
        game.play();
        System.out.println("感谢您的光临。再见！");
    }
}
